we are tyco integrated security. and we are sharper. >>> well, on day two on the casualty situation regarding the boston marathon bombings, 43 people remain in the hospital tonight with injuries. a total of 264 who got some form of injury from the explosions. and of those who were injured, 14 had amputations. important to remember that throughout this coverage. the bombing may have had a link to an unsolved triple murder. three victims were found in the gruesome crime scene in 2011. joining me now is boston globe investigative reporter. michael, an essential twist here. but the bottom line is this. do you believe there is any link between tamerlan between this killing and one of his best friends? >> i believe there's been enough nfr information that has come to light that will cause investigators to take a really close, hard look at this. i believe investigators did not know or did not think was especially important back in 2011 when these three individuals were killed. >> three people, brendan mesh, raphael and eric